Maxim Integrated's DS1742-70: A Robust Y2K-Compliant Timekeeping Solution

The DS1742-70 is a high-performance, full-function timekeeper module designed by Maxim Integrated, crafted to maintain accurate time and date information. This Y2K-compliant product is equipped with a built-in lithium battery and 128 bytes of static RAM. Its seamless integration and reliability make it an ideal choice for a wide array of applications that require long-term, maintenance-free operation.

Key Features

• Real-Time Clock (RTC): The DS1742-70 includes an RTC that tracks time with precision in hours, minutes, and seconds, as well as the day, month, and year, with the added benefit of leap year compensation up to the year 2100.
• Non-Volatile RAM: With 128 bytes of non-volatile RAM, this module ensures that data is preserved even when the primary power source fails, thanks to its onboard lithium battery.
• Battery Backup: The integrated lithium energy source can provide more than 10 years of data retention and timekeeping in the absence of external power.
• Low Power Consumption: The device is designed for energy efficiency, which is critical for battery-backed memory and real-time clock operations.
• Plug-and-Play: The DS1742-70 is designed for ease of use, featuring a JEDEC standard 24-pin DIP package that allows for straightforward integration into existing systems.

Applications

The DS1742-70’s robust feature set makes it suitable for an extensive range of applications, including:

• Embedded systems
• Utility meters
• Industrial timekeeping
• Network hardware
• POS terminals
• Medical devices

Technical Specifications

For technical integration, the DS1742-70 operates within a voltage range of 4.5V to 5.5V and is characterized for operation over the full industrial temperature range (-40°C to +85°C). Its reliability is further enhanced by its ability to automatically switch to battery power when main power is absent, without any interruption in timekeeping.

In conclusion, the DS1742-70 from Maxim Integrated stands out as a reliable and durable choice for designers looking to incorporate a secure and maintenance-free timekeeping solution into their systems.